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146 results about "Moisture penetration" patented technology

Simple connecting structure of rubber waterstop

ActiveCN224228011UHandle tight connectionsprevention of associativityBuilding constructionsMoisture penetrationLap joint
The utility model discloses a simple rubber waterstop connecting structure which comprises a connecting structure body used for being connected to the combination portion of a first waterstop plate and a second waterstop plate, and the connecting structure body comprises a supporting table arranged at the connecting end of the first waterstop plate in an extending mode; the lapping plate is arranged at the connecting end of the second water stop plate in an extending manner, is connected to the upper part of the supporting table and is used for connecting the first water stop plate and the second water stop plate into a whole; the connecting piece is connected to the connecting end of the first water stop plate and the connecting end of the second water stop plate and used for stably connecting the first water stop plate and the second water stop plate together. The rubber waterstop is simple in structure and novel and reasonable in design, the two adjacent rubber waterstops are tightly connected, the problems that after the rubber waterstops are installed, the joint portion possibly falls off, sealing is not tight and the like can be effectively prevented, meanwhile, the connecting pieces can ensure that the joint portion is tightly attached to the surrounding area, a good sealing effect is achieved, and the service life of the rubber waterstops is prolonged. And moisture permeation is effectively prevented.
Owner:YUNNAN JIANTOU WENSHAN CONSTR CO LTD

A functional film

The utility model provides a kind of functional film, belong to functional film technical field.The utility model's functional film includes base material layer and the closed cavity inlay in the base material layer.The utility model's functional film only includes a layer of base material layer, more light and thin, optical absorption is lower, heat transfer performance is better;And relative to laminated structure, there is no interface mismatch risk, low in cost, there is no laminated interface, avoid delamination caused by moisture penetration under high temperature and high humidity environment, higher environmental aging resistance, and need not laminating.The utility model's functional film in solar cell field, can improve the structural stability of heat dissipation and packaging, improve the power generation efficiency of solar module, long-term working life and environmental tolerance, in display field, its light and thin, flexible and non-heterogeneous characteristics make it have good application space in precision optical device.
Owner:JIAXING NAHONG TECHNOLOGY CO LTD +2

Anti-falling lap joint type heat preservation curtain wall plate

The utility model discloses an anti-falling lap joint type heat preservation curtain wall plate, which relates to the technical field of curtain walls and comprises heat preservation plates, the front end and the rear end of each heat preservation plate are respectively provided with a first splicing piece, the two heat preservation plates can be spliced up and down through the first splicing pieces, and the left end and the right end of each heat preservation plate are respectively provided with a second splicing piece. The two heat insulation plates can be spliced left and right through the second splicing piece, each heat insulation plate comprises two waterproof layers, two sound insulation layers and a heat insulation layer, the two sound insulation layers are located at the upper end and the lower end of the heat insulation layer respectively, and the two waterproof layers are located at the upper end and the lower end of the two sound insulation layers respectively. According to the utility model, the heat preservation performance of the heat preservation plate is improved, outdoor noise and moisture permeation are effectively isolated, the heat preservation layer and the sound insulation layer are protected from being damaged, the service life of the heat preservation curtain wall plate is prolonged due to the arrangement of the waterproof layer, and the maintenance cost is reduced; and by arranging the sound insulation layer, the quietness of the indoor environment is improved, and the comfort of the living and working environment is improved.
Owner:SHENZHEN YUANRUN CONSTR ENG CO LTD

Protective tape cover

1. Name of the product in this design: Protective tape cover. 2. Purpose of this design: For use as a protective tape cover. This protective tape cover is suitable for application to surfaces such as flanges to protect them from external impacts such as sandblasting and welding slag. While preventing moisture penetration, it also ensures breathability and removability through ventilation grooves on the adhesive backing, reducing condensation and delaying rusting of the flange surface. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.
Owner:DAMING TECHNOLOGY CO LTD

Modified epoxy resin water permeable brick and preparation method thereof

The invention provides a modified epoxy resin water permeable brick and a preparation method thereof. The modified epoxy resin water permeable brick is prepared from the following raw materials in parts by weight: 95 to 105 parts of aggregate, 8 to 15 parts of modified epoxy resin, 1 to 3 parts of curing agent, 5 to 8 parts of composite filler, 0.1 to 0.3 part of exciting agent, 2 to 4 parts of self-repairing component and 1 to 3 parts of diluent. According to the water permeable brick, through the synergistic effect of the organic silicon modified epoxy resin and the special curing agent, the anti-aging performance of the material is improved. The introduced Si-O-Si bond can effectively resist the attack of ultraviolet photons; long-chain alkyl in the curing agent forms a compact physical barrier layer, so that oxygen and moisture permeation is greatly slowed down, the water permeable brick can effectively resist pulverization, yellowing and embrittlement in long-term outdoor use, the compressive strength and the water permeability coefficient of the water permeable brick can still keep an extremely high retention rate after long-term use, the service life is remarkably prolonged, and the water permeable brick is suitable for popularization and application. The industrial pain point that a traditional resin-based water permeable brick is easy to age is solved.
Owner:HANGZHOU QUANFENG ENVIRONMENTAL PROTECTION BUILDING MATERIALS CO LTD

Concrete inorganic capillary crystalline additive and use method thereof

The invention discloses an inorganic permeable crystallization additive for concrete and a use method, and belongs to the technical field of concrete building materials, the inorganic permeable crystallization additive for concrete comprises quartz sand, a composite silicon-based material, a sodium methyl silicate crystallization precipitator, calcium hydroxide, a water reducing agent, an expanding agent, tensile fibers, cement and a fly ash mixture; the composite silicon-based material is prepared by compounding nano silicon dioxide, a POSS (Polyhedral Oligomeric Silsesquioxane) compound and a titanate coupling agent; according to the invention, by adding the tensile fibers, the concrete is prevented from plastically shrinking to generate primary micro-cracks after pouring, the fibers form three-dimensional network support in the concrete to resist shrinkage stress, and the fibers can bridge the micro-cracks, inhibit the expansion of the micro-cracks and postpone the appearance of visible cracks, so that the toughness, bending strength, fatigue resistance and impact resistance of the concrete are remarkably improved; by effectively reducing and refining cracks, a main channel for water permeation is cut off, so that the impermeability of the concrete is indirectly improved.
Owner:JINGFANG CHEMICAL (SHANGHAI) CO LTD

Special underwater water and oil resistant electric wire cable

The utility model discloses a kind of underwater special water-resistant oil-resistant electric wire cable, including cable core, the surface of the cable core is fixedly connected with shielding layer, the surface of the shielding layer is fixedly connected with insulating filling layer.The utility model realizes underwater all-around protection by the synergistic effect of multilayer structure, wherein shielding layer insulates electromagnetic interference, ensures transmission stability;Insulating filling layer ensures electrical insulation, avoids short circuit;Lead alloy protective layer is sealed and resistant to corrosion, blocks water and corrosive substance;Buffering isolation layer absorbs impact, reduces mechanical damage;Water-blocking layer and oil-resistant layer form a barrier, prevent moisture penetration and oil erosion.Cuirass layer improves mechanical strength, stretch extrusion resistance;Wear-resistant anticorrosive coating prolongs service life;Overall structure is compact, the characteristics of each layer are complementary, with water-resistant, oil-resistant, anti-interference and other properties, suitable for various underwater special environment, practicality and reliability are strong.
Owner:SHENZHEN SAIHONGTONG WIRE TECH CO LTD

A grab for distiller's grains

A kind of wine lees grab, it is related to the technical field of brewing, including a grab body, the middle of the top of the grab body is equipped with connecting plate, connecting rod is installed on the rotating shaft between the two connecting plate, the top of the grab body one side is equipped with hinged seat, the hinged seat is rotatably connected with swing rod, sliding sleeve is equipped on the connecting rod, lifting rod is slidably fitted in the sliding sleeve, the lower end of the lifting rod is rotatably connected on swing rod, linear actuator is equipped on the connecting rod, the telescopic rod of linear actuator is connected on lifting rod.The utility model discloses linear actuator is arranged on the connecting rod, cooperates with protective cover and sealing structure, effectively isolates the contact of wine lees and key moving parts, prevents moisture penetration and impurity invasion, guarantees the normal working environment of transmission mechanism and lubricating system.
Owner:TAIAN TAISHANQUAN BREWERY EQUIP CO LTD

A rib for an excavator air conditioner air filter

The utility model discloses an excavator air conditioner air filter screen rib relates to engineering machinery air conditioning unit technical field, including the rib body, both ends of rib body all are fixedly connected with the installation plug -in block, the rib body adopts core technology craft, and the inside of rib body is provided with the inner core framework, and the inner core framework adopts hot pressing process. The utility model discloses a kind of excavator air conditioner air filter screen rib, by setting up the inner core framework cross section is honeycomb structure, enhance compression resistance and light weight, shape memory alloy can restore original shape after deformation, adapt the bending demand when filter screen installation, high hardness carbon fiber of wear -resisting impact layer provides high hardness and wear resistance, prolongs rib life, epoxy resin polymer can increase rib toughness, prevent brittle fracture, wear -resisting impact layer and waterproof anticorrosive layer can protect rib from thermal stress damage, simultaneously realize super -hydrophobic effect, prevent moisture penetration, improve rib acid and alkali corrosion resistance.
Owner:YANTAI SHOUGANG DENSO CO LTD

An outdoor paving floor and a method for manufacturing the same

This invention discloses an outdoor flooring and its preparation method, belonging to the field of wood-plastic composite flooring technology. The flooring comprises a substrate board, a uniform color carrier film layer, a digitally printed pattern layer, and a transparent layer. The transparent layer is integrally formed from a polyvinylidene fluoride resin layer with a thickness of 0.1~0.45mm and a resin layer containing methyl methacrylate segments with a thickness of 0.06mm or more. This invention innovatively adopts a double-layer structure of "thick PVDF + thin PMMA," breaking through by using PVDF as the main load-bearing surface layer, which combines wear resistance, weather resistance, and high water resistance. This fundamentally blocks moisture penetration and solves the failure problems of traditional PMMA-coated boards, such as blistering, delamination, and cracking, which are prone to occur in high-temperature and high-humidity environments. This structure achieves a balance of high wear resistance, high weather resistance, high water resistance, and strong interfacial bonding while controlling costs, making it particularly suitable for harsh outdoor environments and significantly improving the product's service life.
Owner:ANHUI SENTAI WPC TECH FLOOR CO LTD

Irrigation equipment for landscaping

The utility model discloses irrigation equipment for landscaping, which belongs to the technical field of landscaping equipment and comprises a base, universal wheels are rotatably connected to four corners of the bottom of the base, a push rod is fixedly connected to the outer side of the base, a supporting block is fixedly connected to the top of the base, and a water bucket is arranged at the top of the base. A water adding opening is formed in the top of the water bucket, an input pipe is fixedly connected to the outer side of the water bucket, a water pump is fixedly connected to the top of the base, an output pipe is fixedly connected to the output end of the water pump, a spray head is fixedly connected to the end, away from the water pump, of the output pipe, a shaking mechanism is arranged on the periphery of the water bucket, and a soil piercing mechanism is arranged at the bottom of the base. The shaking mechanism prevents the nutrient solution in the bucket from precipitating, the irrigation uniformity is improved, the soil loosening mechanism assists in achieving soil loosening, the hardening problem is solved, and the water permeation efficiency is improved.
Owner:张洪堃

Anti-permeability and anti-freezing environment-friendly recycled concrete and preparation method thereof

The application discloses an anti-permeation and anti-freezing environment-friendly recycled concrete and a preparation method thereof, and the concrete comprises the following components in parts by weight: cement 35-45 parts, composite recycled aggregate 100-120 parts, mineral admixture 15-25 parts, composite anti-permeation and anti-freezing additive 2-4 parts, water 18-22 parts, environment-friendly interface regulator 1-2 parts and modified reinforcing agent 0.5-1.5 parts. The composite recycled aggregate and the composite anti-permeation and anti-freezing additive are used in cooperation. After the composite recycled aggregate is modified by a silane coupling agent and a calcium hydroxide-sodium sulfate solution, the surface pores are effectively filled, the micro cracks are reduced, the interface activity is improved, and the combination with the cementing material is more compact. In the composite anti-permeation and anti-freezing additive, the polycarboxylate superplasticizer can reduce the water-binder ratio and reduce the internal pores of the concrete, the air entraining agent introduces uniform and small closed air bubbles, blocks the water permeation channel, buffers the expansion stress generated by the freeze-thaw cycle, the organic silicon waterproof agent forms a hydrophobic layer, and the anti-permeation performance is further improved.
Owner:SHENZHEN RUILONG CONCRETE CO LTD

Garment made of waterproof fabric

The utility model belongs to the technical field of waterproof fabrics, and particularly relates to a garment made of waterproof fabrics. Comprising a garment body, the garment body is made of waterproof fabric, and the waterproof fabric has a waterproof function and can effectively prevent moisture from permeating; the breathable layer is arranged on the waterproof fabric, so that the breathability of the garment body is improved; the number of the straps is two, the two straps are evenly arranged on the two sides of the interior of the garment body, the straps are used for enabling a wearer to carry the garment on the back when the wearer takes off the garment, and the carrying burden is reduced. The utility model provides the waterproof fabric garment which reduces carrying burden, can provide more ideal wearing experience for a user, and meets multiple requirements of modern outdoor activities on equipment functionalization, comfort and convenience.
Owner:HANGZHOU SIYAN GARMENT CO LTD

Insulating sheath for terminal

This utility model relates to the field of electrical component technology, specifically to an insulating sleeve for terminals. It includes an insulating protective sleeve composed of a first outer shell and a second outer shell. The insulating protective sleeve has symmetrically arranged cable waterproofing structures on its upper and lower surfaces. The cable waterproofing structure includes a cable waterproofing base mounted on the first outer shell, and a cable waterproofing cover mounted on the second outer shell on one side of the cable waterproofing base. Through this cable waterproofing mechanism, when the insulating sleeve is first used, a cable can be inserted through cable holes opened on the surfaces of multiple fixing blocks. Once the cable is inserted, the cable holes are completely covered by the cable. Simultaneously, the fixing blocks can be fitted with the cable waterproofing base via sliding grooves. The cable waterproofing base is connected to the cable waterproofing cover via bolts to complete the seal, forming the cable waterproofing mechanism. The cable waterproofing mechanism can also be connected to the insulating sleeve via bolts. Once fully connected, it effectively prevents moisture penetration, thus protecting the cable and terminals from moisture and damage.
Owner:DONGGUAN WEIHAO TECHNOLOGY CO LTD

High-flame-retardant glass wool product

The utility model relates to the technical field of glass wool, and discloses a high flame-retardant glass wool product, which comprises a glass wool base material, a waterproof layer, a flame-retardant layer, a heat-insulating layer and a protective layer, and surface coatings which are coated on the surface of the glass wool base material and are used for improving the flame-retardant effect and the fireproof performance of the glass wool base material are sprayed on the inner side and the outer side of the glass wool base material; the waterproof layer is used for preventing water from permeating into the glass wool base material and is adhered to the inner side of the glass wool base material; the flame-retardant layer is used for being matched with the surface coating to perform double-layer fire prevention and flame retardance on the outer layer of the glass wool base material; the flame-retardant layer is located on the outer side of the surface coating and deviates from the waterproof layer, the heat insulation layer is used for being matched with the surface coating and the flame-retardant layer to form a composite structure layer on the surface of the glass wool base material, and the heat insulation layer is bonded to the surface of the flame-retardant layer; the protective layer is bonded to the outer side face of the heat insulation layer and used for preventing water and fire. The high-flame-retardant glass wool product adopting the composite structure has good waterproof, flame-retardant, heat-insulating and fireproof performance.
Owner:QINGYUAN HANJIANG GLASSWOOL TECH CO LTD

Mine slope support device

The utility model relates to mine support technical field, concretely is mine slope support device, including frame, be equipped with spraying mechanism on the frame, the spraying mechanism includes a plurality of sheltering lid, screw rod, a plurality of support pipe, communicating groove and connecting mouth, the support pipe all are fixedly connected with the hose, all are fixedly connected with atomizing nozzle on the hose, all are fixedly connected with the hinged seat on the sheltering lid, the screw rod is connected with the lifting seat on the screw thread, the lifting seat is fixedly connected with a plurality of round rods, all are rotatably connected with the linkage link on the round rod, the utility model's beneficial effects are: the spraying mechanism uses, and the powerful water pressure can drive the hose irregular rotation, and then drive the nozzle to spread the water mist and spray in a large range, make the fixed frame internal space can all even contact the water mist, effectively avoid the problem that the edge moisture concentrates, the moisture penetration is uneven in the middle part, guarantee the moisture distribution consistency in the area.
Owner:HENAN HUATONG BLASTING ENG TECH CO LTD

Corrosion-resistant double helix guide pole fishing reel

The utility model provides a kind of corrosion-resistant double helix guide rod fishing wheel, its adopted double helix guide rod is PEEK double helix guide rod, significantly improve the adaptability of fishing wheel in complex natural water environment such as humid, more salt, more impurities.PEEK double helix guide rod has excellent corrosion resistance and mechanical strength, can effectively resist the erosion of moisture, salt and other corrosive substances to guide rod, avoid the fishing wheel failure caused by guide rod corrosion or fracture.Meanwhile, ultraviolet resistant layer, waterproof layer and wear-resistant layer are arranged outside PEEK double helix guide rod, not only further improve the resistance of PEEK double helix guide rod to ultraviolet radiation, prevent material aging and brittle, but also effectively isolate moisture penetration through waterproof layer, in addition, the wear-resistant layer of outermost layer enhances the wear resistance of PEEK double helix guide rod surface in the process of wire loop repeated reciprocating sliding, makes reciprocating motion more light, delays its use wear, improves the overall operation stability and service life of fishing wheel.
Owner:GUANGDONG GLOBALSINO OUTDOOR SPORTS EQUIP LTD

A waterproof structure of an outer wall

The utility model discloses a kind of outer wall waterproof structures, including wall, first waterproof component, drainage component and second waterproof component, first waterproof component is arranged on the outer surface of wall, drainage component is arranged at first waterproof component, and second waterproof component is arranged on the surface of drainage component;Drainage component includes cement mortar layer, drainage module and drainage module, the cement mortar layer is laid on the surface of first waterproof component, drainage module is embedded in cement mortar layer, and drainage module is arranged on the surface of cement mortar layer;The outer wall waterproof structure of the application forms double-layer waterproof structure on the surface of wall by first waterproof component and second waterproof component, reduces the possibility of wall water seepage, and water splashed to the surface of wall can be gathered and guided to discharge by drainage module, water seeped into cement mortar layer can be drained by drainage module, thereby greatly reducing the possibility of moisture penetrating wall into indoor, effectively improving the waterproof performance of wall.
Owner:GUANGDONG ZHIDUN HOUSE REPAIR ENGINEERING CO LTD

A waterproof and mildew-proof baseboard

This utility model discloses a waterproof and mildew-proof baseboard, including a baseboard body and an mounting bracket for installing the baseboard body on a wall. The baseboard body includes a base layer, a waterproof layer, and a decorative layer arranged sequentially. The base layer has a closed-cell foam structure with an inorganic mildew inhibitor added inside. The baseboard body has snap-on interfaces at both ends, and a mounting groove is provided on the back of the base layer, where the mounting bracket is movably secured. The closed-cell structure of the base layer, fully encased in a waterproof layer, effectively blocks moisture penetration. The addition of an inorganic mildew inhibitor to the base layer reduces mold growth on the baseboard body.
Owner:ANHUI LIAO NEW MATERIAL TECH CO LTD

Waterproof sealing structure of bushing supporting roller

The utility model relates to the technical field of bushing supporting rollers, and discloses a waterproof sealing structure of a bushing supporting roller, an assembling mechanism is arranged on a first connecting ring and a second connecting ring, a bushing, the first connecting ring and the second connecting ring are provided with a connecting mechanism, the assembling mechanism comprises an inserting assembly and a limiting assembly, the inserting assembly comprises an inserting groove, and the limiting assembly is arranged on the inserting groove. The other side of the spring is fixedly connected with a connecting plate, and the other side of the connecting plate is fixedly connected with a long block. According to the waterproof sealing structure of the bushing supporting roller, an assembling mechanism is adopted, a long block is inserted into a long groove, an inserting rod is inserted into an inserting hole groove, a circular truncated cone and a fixing plate are fixed in a threaded mode through a bolt, a first connecting ring and a second connecting ring can be further fixed to the surface of a bushing, and certain pressure is applied to the bushing; therefore, even if the roller body jumps and deforms to a certain degree during operation, a gap between the bushing and the supporting roller can be avoided, moisture permeation can be prevented, and the waterproof performance of the supporting roller is improved.
Owner:CHANGZHOU ECCO ROLLER

A method to improve the nutritional value of brown rice and lower its glycemic index.

This invention relates to the field of grain processing technology, and in particular to a method for improving the nutritional value of brown rice and reducing its glycemic index. The invention uses brown rice as raw material, processing it through a process of mist-wetting for nutrient enrichment, integrated microwave gelatinization and drying, tempering, and milling to produce semi-cooked rice (parboiled rice). The brown rice processed by the method provided by this invention is clean and odorless, slows down the rate of water penetration, prevents grain cracking, reduces the rate of broken rice during subsequent milling, and, under the action of endogenous enzymes, enriches nutrients such as GABA, flavonoids, and free amino acids. Furthermore, the bran layer of the dried brown rice is easily separated.
Owner:INST OF FOOD PROCESSING HEILONGJIANG ACAD OF AGRI SCI

Flow guide pad and construction structure of bathroom floor tiles

According to the flow guide pad and the construction structure of the bathroom floor tile with the flow guide pad, the flow guide layer and the filter layer are arranged, the bottom plate of the flow guide layer is arranged to be waterproof, the plurality of flow guide grooves are formed in the bottom plate, the filter layer is arranged to be permeable and breathable and not permeable to mortar, and the flow guide grooves in the bottom plate and the filter layer form the flow guide channel together. Therefore, under the condition of water seepage in splicing gaps between the ceramic tiles, the seepage water is guided and discharged into a sewer pipe or a drain pipe through the flow guide channel; the flow guide pad provided by the utility model can be constructed on the basis of the existing floor tiles or ceramic tiles, and the floor tiles or ceramic tiles do not need to be replaced, so that the material cost and the construction cost of owners are reduced; besides, cement mortar during floor tile or tile construction is locked through the grid units in the grid layer, the bonding strength between the floor tile or tile and the flow guide pad is enhanced, the stability of the floor tile or tile is improved, and the floor tile or tile is prevented from loosening or falling off due to moisture permeation.
Owner:李汶曼 +1

A multi-chamber processing apparatus for a dense instant rice porridge

The utility model discloses a kind of multi-chamber processing devices of soft and dense instant rice gruel, including pre-adjusting quality chamber, variable-diameter spiral cooking chamber and homogenizing chamber sequentially intercommunication;The pre-adjusting quality chamber is inclinedly arranged in horizontal cylinder structure, and the bottom of the pre-adjusting quality chamber is arranged with several ultrasonic transducers in array, and top is equipped with at least one air extraction pipe;The variable-diameter spiral cooking chamber has spiral main shaft and spiral blade, the pitch of the spiral blade decreases along material advancing direction, and the gap between the spiral blade and the inner wall of the variable-diameter spiral cooking chamber gradually narrows along material advancing direction.The utility model improves moisture penetration rate, so that rice can be fully water-absorbed, and rice kernel is soft and nuclear, through pitch gradient compression and taper gap, extrusion effect gradually strengthens, which is helpful for the full mixing and ripening of material, provides soft and dense taste for instant rice gruel, and homogenizing chamber further refines rice kernel particle, and rice gruel is more soft and dense and uniform.
Owner:GUANGDONG FURUIXIANG HEALTH TECH CO LTD

A semiconductor device structure

This application discloses a semiconductor device structure, including: a semiconductor layer; a first insulating layer and a second insulating layer jointly covering a first surface of the semiconductor layer; a polysilicon layer partially covering the first insulating layer and having a gap between it and the second insulating layer; a third insulating layer including a first region, a second region, and a third region; a lower metal layer covering at least the first and second regions of the third insulating layer; an upper metal layer located above the lower metal layer; and a passivation layer covering the third insulating layer not covered by the lower metal layer and extending to cover a portion of the lower metal layer. The semiconductor device structure of this application embodiment has a maximum height of the passivation layer lower than the maximum height of the upper metal layer. This ensures that the passivation layer resists moisture penetration and corrosion while reducing the stress on the passivation layer from the packaging, thus reducing the risk of cracking in the passivation layer during temperature cycling.
Owner:HANGZHOU SILICON-MAGIC SEMICON TECH CO LTD

Sensor protective shell for high-humidity environment

The utility model discloses a sensor protective shell used in a high-humidity environment, and belongs to the technical field of sensor shells. The shell comprises a shell body and a mounting plate, the mounting plate is mounted at the top of the shell body, connecting holes are formed in the periphery of the mounting plate, screws are matched in the four connecting holes, annular grooves are formed in the periphery of the mounting plate, the annular grooves are communicated with the connecting holes, O-shaped rings are matched in the annular grooves, and the O-shaped rings make contact with the tops of the screws. The connecting hole is sealed through the O-shaped ring and the semi-spherical pad, the O-shaped ring is in contact with the annular groove, one circle of semi-spherical pad is subjected to pressure of the O-shaped ring and the annular groove, radial and axial composite deformation is generated when the semi-spherical pad is pressed, and a contact surface gap caused by machining errors or vibration is filled; therefore, the O-shaped ring and the annular groove fill a tiny gap at the joint of the connecting hole and the screw, a moisture permeation path is eliminated, the sealing performance of the joint of the screw and the connecting hole is guaranteed, and capillary permeation of water vapor along the thread gap is avoided.
Owner:DONGGUAN XIANLIANG HARDWARE PROD CO LTD

Multi-field coupling test device and method for simulating deterioration of seabed shield tunnel structure

The invention provides a multi-field coupling test device and method for simulating deterioration of a seabed shield tunnel structure, and the device comprises a segmental lining member which is annularly arranged, and the segmental lining member is formed by pouring concrete and reinforcing steel bars arranged in the concrete; the hoop force applying module comprises a force applying assembly arranged on the periphery of the segmental lining component; a filling module; a data acquisition module; wherein in the test process, erosion liquid is injected into the sealed cavity through the injection hole, and a direct-current electric field is applied between the anode piece and the cathode piece to drive erosion ions to directionally migrate in the concrete, so that the corrosion of steel bars and the degradation of the concrete are accelerated; and the data acquisition module is used for monitoring the moisture permeation state and the stress state in the segmental lining component and the water pressure value in the sealed cavity in real time.
Owner:SOUTHWEST JIAOTONG UNIV

Novel anti-static flame-retardant plastic woven cloth

The utility model discloses novel anti-static flame-retardant plastic woven cloth, which relates to the technical field of plastic woven cloth and comprises a woven cloth base layer, waterproof layers are arranged on two sides of the woven cloth base layer, and combined woven layers are arranged on one sides, far away from the woven cloth base layer, of the waterproof layers. Wherein the combined woven layer comprises functional warps and functional wefts, the functional wefts are formed by matching the functional warps made of flame-retardant nylon materials and aluminum foil materials with the functional wefts made of nylon materials, the woven cloth is endowed with good anti-static performance, the flame-retardant effect is enhanced, and the aluminum foil materials and the nylon materials both have high wear resistance, so that the anti-static performance of the woven cloth is improved, and the service life of the woven cloth is prolonged. The woven cloth can still keep intact and prolong the service life under the service environment of frequent friction, the woven cloth base layer adopts the cotton yarn reinforced warp and the polyester fiber reinforced weft, the combination ensures the softness of the woven cloth and provides enough strength and toughness, and the PU film waterproof layers on the two sides of the woven cloth base layer have the advantages of being good in waterproof effect and good in waterproof effect. The water permeation can be effectively prevented.
Owner:HANGZHOU CHINASIA TEXTILE

Display device

A display device may include a planarization layer disposed over a substrate, located in a display area, and extending to a portion of a non-display area, a first mid-stopper located in the non-display area and disposed outside the planarization layer, a second mid-stopper disposed outside the first mid-stopper, a first metal pattern located in the non-display area and disposed on the first mid-stopper and the second mid-stopper, a second metal pattern located in the non-display area and disposed on the first metal pattern, and a first trench located between the first mid-stopper and the second mid-stopper. In one or more aspects, the first and second metal patterns may be disconnected at the first trench. The display device can prevent overflow of an organic encapsulation layer and damage to a stackup structure during the manufacturing process, and block a moisture penetration path from the non-display area to the display area.
Owner:LG DISPLAY CO LTD

Modified asphalt waterproof coiled material and preparation method thereof

The invention provides a modified asphalt waterproof coiled material and a preparation method thereof, and belongs to the technical field of waterproof coiled materials. The modified asphalt waterproof coiled material sequentially comprises an upper surface water-blocking and bacterium-inhibiting layer, an upper surface oil-blocking and bacterium-inhibiting layer, an upper surface modified asphalt coating layer, a polyester base layer, a lower surface modified asphalt coating layer, a lower surface oil-blocking and bacterium-inhibiting layer and a lower surface water-blocking and bacterium-inhibiting layer from top to bottom. The upper surface and the lower surface of the modified asphalt waterproof coiled material are respectively provided with the oil-resistant and antibacterial layer and the water-resistant and antibacterial layer, so that the modified asphalt waterproof coiled material can inhibit internal oil migration, external water permeation and antibacterial breeding, and has discoloration resistance and stink resistance.
Owner:BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD

Ethylene carbonate storage stability simulation method based on digital twinning

ActiveCN121905317BAchieve deep couplingReal-time calculation of diffusion penetration rateChemical processes analysis/designDesign optimisation/simulationMoisture penetrationEngineering
The present application relates to the technical field of chemical material storage stability simulation, in particular to a carbonic acid ethylene storage stability simulation method based on digital twinning, aiming to solve the problem that traditional evaluation cannot deeply couple dynamic factors such as moisture penetration, temperature and humidity change and product accumulation, cannot accurately restore the moisture gradient balance and product accumulation law in the container, and is difficult to predict the evolution of key quality indicators and failure boundaries, by constructing a digital twinning body basic model containing molecular structure and hydrolysis kinetics parameters, embedding dynamic moisture adsorption and reaction kinetics modules, calculating parameters such as moisture diffusion and penetration rate, integrating temperature and humidity sensor data, forming feedback by coupling heat and mass transfer and reaction kinetics equations, outputting stability attenuation risk index, predicting acid value, moisture content, color evolution trend and identifying failure threshold, and iteratively correcting model parameters combined with actual detection data to improve simulation accuracy.
Owner:DONGGUAN UPC IND & TRADE +1